Initial upgrade flow for control-plane

clitools/pkg/node/kubeadm_upgrade.go

@@ -0,0 +1,49 @@
+package node
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"strings"
+	"time"
+
+	"k8s.io/klog/v2"
+
+	system "example.com/monok8s/pkg/system"
+)
+
+func RunKubeadmUpgradeApply(ctx context.Context, nctx *NodeContext) error {
+
+	if nctx.BootstrapState == nil {
+		return errors.New("BootstrapState is nil. Please run earlier steps first")
+	}
+
+	if nctx.BootstrapState.Action != BootstrapActionUpgradeControlPlane {
+		klog.V(4).Infof("skipped for %s", nctx.BootstrapState.Action)
+		return nil
+	}
+
+	if strings.TrimSpace(tmpKubeadmInitConf) == "" {
+		return fmt.Errorf("tmp kubeadm config path is empty")
+	}
+
+	_, err := nctx.SystemRunner.RunWithOptions(
+		ctx,
+		"kubeadm",
+		[]string{"upgrade", "apply", "-y", nctx.Config.Spec.KubernetesVersion},
+		system.RunOptions{
+			Timeout: 15 * time.Minute,
+			OnStdoutLine: func(line string) {
+				klog.Infof("[kubeadm] %s", line)
+			},
+			OnStderrLine: func(line string) {
+				klog.Infof("[kubeadm] %s", line)
+			},
+		},
+	)
+	if err != nil {
+		return fmt.Errorf("run kubeadm upgrade apply: %w", err)
+	}
+
+	return nil
+}